Finding the Third Proportional to 1,261,662 and 2,803,260

Step by Step Solution

1. Step 1: Write the proportion equation
   1,261,662 : 2,803,260 = 2,803,260 : x
2. Step 2: Convert to fraction form
   1,261,662/2,803,260 = 2,803,260/x
3. Step 3: Cross multiply
   1,261,662x = 2,803,260 × 2,803,260
4. Step 4: Simplify right side
   1,261,662x = 7,858,266,627,600
5. Step 5: Solve for x
   x = 7,858,266,627,600/1,261,662
6. Step 6: Final answer
   x = 6,228,503.85